i want to know that link wheel is still effective for keywords ranking, please share some tips.

Yes Link Wheel is still effective and best source to get link juice if you use in Web 2.0 Websites.

Link wheels are a really effective SEO tactic. you'll be able to harness the facility of well-ranking net a pair of.0 websites to form well targeted back links to your site. These net a pair of.0 sites, like Squidoo and HubPages, permit you to form content and links. this implies you'll be able to simply build targeted back links using these sites. to extend the effectiveness of those back links, you'll be able to link them to every different yet.